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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Copyright 2009 original author or authors.<a name="line.2"></a>
<FONT color="green">003</FONT>     *<a name="line.3"></a>
<FONT color="green">004</FONT>     * Licensed under the Apache License, Version 2.0 (the "License");<a name="line.4"></a>
<FONT color="green">005</FONT>     * you may not use this file except in compliance with the License.<a name="line.5"></a>
<FONT color="green">006</FONT>     * You may obtain a copy of the License at<a name="line.6"></a>
<FONT color="green">007</FONT>     *<a name="line.7"></a>
<FONT color="green">008</FONT>     *    http://www.apache.org/licenses/LICENSE-2.0<a name="line.8"></a>
<FONT color="green">009</FONT>     *<a name="line.9"></a>
<FONT color="green">010</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.10"></a>
<FONT color="green">011</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.11"></a>
<FONT color="green">012</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.12"></a>
<FONT color="green">013</FONT>     * See the License for the specific language governing permissions and<a name="line.13"></a>
<FONT color="green">014</FONT>     * limitations under the License.<a name="line.14"></a>
<FONT color="green">015</FONT>     */<a name="line.15"></a>
<FONT color="green">016</FONT>    package com.configleon.configurer;<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>    import com.configleon.resource.PropertyResources;<a name="line.18"></a>
<FONT color="green">019</FONT>    import java.io.IOException;<a name="line.19"></a>
<FONT color="green">020</FONT>    import java.util.ArrayList;<a name="line.20"></a>
<FONT color="green">021</FONT>    import java.util.Collections;<a name="line.21"></a>
<FONT color="green">022</FONT>    import java.util.List;<a name="line.22"></a>
<FONT color="green">023</FONT>    import java.util.Properties;<a name="line.23"></a>
<FONT color="green">024</FONT>    <a name="line.24"></a>
<FONT color="green">025</FONT>    import java.util.Set;<a name="line.25"></a>
<FONT color="green">026</FONT>    import org.springframework.beans.factory.InitializingBean;<a name="line.26"></a>
<FONT color="green">027</FONT>    import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;<a name="line.27"></a>
<FONT color="green">028</FONT>    import org.springframework.core.io.Resource;<a name="line.28"></a>
<FONT color="green">029</FONT>    import org.springframework.util.StringUtils;<a name="line.29"></a>
<FONT color="green">030</FONT>    <a name="line.30"></a>
<FONT color="green">031</FONT>    /**<a name="line.31"></a>
<FONT color="green">032</FONT>     * A special properties configurator that loads the Spring property files<a name="line.32"></a>
<FONT color="green">033</FONT>     * based on a JVM parameter.<a name="line.33"></a>
<FONT color="green">034</FONT>     */<a name="line.34"></a>
<FONT color="green">035</FONT>    public abstract class AbstractPropertyConfigurer extends PropertyPlaceholderConfigurer implements InitializingBean {<a name="line.35"></a>
<FONT color="green">036</FONT>    <a name="line.36"></a>
<FONT color="green">037</FONT>        public static final String JVM_VARIABLE_NAME = "configLocation";<a name="line.37"></a>
<FONT color="green">038</FONT>    <a name="line.38"></a>
<FONT color="green">039</FONT>        private PropertyResources propertyResources;<a name="line.39"></a>
<FONT color="green">040</FONT>    <a name="line.40"></a>
<FONT color="green">041</FONT>        /**<a name="line.41"></a>
<FONT color="green">042</FONT>         * After the bean factory loads then configure project specific settings.<a name="line.42"></a>
<FONT color="green">043</FONT>         */<a name="line.43"></a>
<FONT color="green">044</FONT>        public void afterPropertiesSet()<a name="line.44"></a>
<FONT color="green">045</FONT>                throws Exception {<a name="line.45"></a>
<FONT color="green">046</FONT>    <a name="line.46"></a>
<FONT color="green">047</FONT>            String configLocation = System.getProperty(JVM_VARIABLE_NAME);<a name="line.47"></a>
<FONT color="green">048</FONT>    <a name="line.48"></a>
<FONT color="green">049</FONT>            if (!StringUtils.hasText(configLocation)) {<a name="line.49"></a>
<FONT color="green">050</FONT>                String msg = "The configLocation variable is not specified in the JVM settings!";<a name="line.50"></a>
<FONT color="green">051</FONT>                logger.error(msg);<a name="line.51"></a>
<FONT color="green">052</FONT>                throw new IllegalStateException(msg);<a name="line.52"></a>
<FONT color="green">053</FONT>            }<a name="line.53"></a>
<FONT color="green">054</FONT>    <a name="line.54"></a>
<FONT color="green">055</FONT>            if (logger.isInfoEnabled()) {<a name="line.55"></a>
<FONT color="green">056</FONT>                logger.info("The configLocation JVM variable is " + configLocation);<a name="line.56"></a>
<FONT color="green">057</FONT>            }<a name="line.57"></a>
<FONT color="green">058</FONT>    <a name="line.58"></a>
<FONT color="green">059</FONT>            Properties properties = loadProperties(configLocation);<a name="line.59"></a>
<FONT color="green">060</FONT>            postConfiguration(properties);<a name="line.60"></a>
<FONT color="green">061</FONT>        }<a name="line.61"></a>
<FONT color="green">062</FONT>    <a name="line.62"></a>
<FONT color="green">063</FONT>        private Properties loadProperties(String configLocation)<a name="line.63"></a>
<FONT color="green">064</FONT>                throws IOException {<a name="line.64"></a>
<FONT color="green">065</FONT>            Properties properties = new Properties();<a name="line.65"></a>
<FONT color="green">066</FONT>            List&lt;Resource&gt; resources = propertyResources.getResources(configLocation);<a name="line.66"></a>
<FONT color="green">067</FONT>            for (Resource resource : resources) {<a name="line.67"></a>
<FONT color="green">068</FONT>                properties.load(resource.getInputStream());<a name="line.68"></a>
<FONT color="green">069</FONT>                if (logger.isDebugEnabled()) {<a name="line.69"></a>
<FONT color="green">070</FONT>                    logger.debug("Loading resource " + resource.getFilename());<a name="line.70"></a>
<FONT color="green">071</FONT>                }<a name="line.71"></a>
<FONT color="green">072</FONT>            }<a name="line.72"></a>
<FONT color="green">073</FONT>            setProperties(properties);<a name="line.73"></a>
<FONT color="green">074</FONT>    <a name="line.74"></a>
<FONT color="green">075</FONT>            Config.setProperties(properties);<a name="line.75"></a>
<FONT color="green">076</FONT>    <a name="line.76"></a>
<FONT color="green">077</FONT>            if (logger.isDebugEnabled()) {<a name="line.77"></a>
<FONT color="green">078</FONT>                for (Object key : sortedKeys(properties)) {<a name="line.78"></a>
<FONT color="green">079</FONT>                    logger.debug("property: " + key + " --&gt; " + properties.get(key));<a name="line.79"></a>
<FONT color="green">080</FONT>                }<a name="line.80"></a>
<FONT color="green">081</FONT>            }<a name="line.81"></a>
<FONT color="green">082</FONT>    <a name="line.82"></a>
<FONT color="green">083</FONT>            return properties;<a name="line.83"></a>
<FONT color="green">084</FONT>        }<a name="line.84"></a>
<FONT color="green">085</FONT>    <a name="line.85"></a>
<FONT color="green">086</FONT>        protected void postConfiguration(Properties properties) {<a name="line.86"></a>
<FONT color="green">087</FONT>            // by default does not do anything<a name="line.87"></a>
<FONT color="green">088</FONT>        }<a name="line.88"></a>
<FONT color="green">089</FONT>    <a name="line.89"></a>
<FONT color="green">090</FONT>        /**<a name="line.90"></a>
<FONT color="green">091</FONT>         * Sort the property keys so that it is easier to debug.<a name="line.91"></a>
<FONT color="green">092</FONT>         */<a name="line.92"></a>
<FONT color="green">093</FONT>        private List sortedKeys(Properties properties) {<a name="line.93"></a>
<FONT color="green">094</FONT>            Set keys = properties.keySet();<a name="line.94"></a>
<FONT color="green">095</FONT>            List sortedKeys = new ArrayList(keys);<a name="line.95"></a>
<FONT color="green">096</FONT>            Collections.sort(sortedKeys);<a name="line.96"></a>
<FONT color="green">097</FONT>            return sortedKeys;<a name="line.97"></a>
<FONT color="green">098</FONT>        }<a name="line.98"></a>
<FONT color="green">099</FONT>    <a name="line.99"></a>
<FONT color="green">100</FONT>        public void setPropertyResources(PropertyResources propertyResources) {<a name="line.100"></a>
<FONT color="green">101</FONT>            this.propertyResources = propertyResources;<a name="line.101"></a>
<FONT color="green">102</FONT>        }<a name="line.102"></a>
<FONT color="green">103</FONT>    }<a name="line.103"></a>




























































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